bridge systems are laid out to provide the operator with a navigation system control and information at any workplace while adding functionality to software that makes daily work easier.” Richter also highlights the advantages the bridge system: “There is an
of
increasing need for an intelligent and extensive integration of functions which support the automation of routines and the economical operation of the ship. New bridge systems should be more efficient, help reduce ship’s running costs and, above all, they should be easy to install and easy to operate for users. Key achievements of the new technology are Multifunctional Consoles, E-Navigation features, Intelligent Alert Management, and Consistent Common Reference System (CCRS). Other examples are Automatic Route Planning, Weather Overlay and AIS control on ECDIS, intelligent collision-avoidance functions on Radar or customer-specific Conning pages that provide relevant navigation data at a glance. The use of the same buttons, letters and indications as well as central and local change of colours should be a prerequisite for all bridge systems.”
NautoSteer AS The NautoSteer steering control offers improved handling, ease of installation and higher safety standards. Te steering control system is based on CAN-bus technology, whereas all important components such as follow-up amplifiers, autopilots, interface units and alarm monitoring units are connected via redundant CAN-bus systems. In case of failures the steering control system automatically switches to a redundant CAN-bus, providing secure data communication and built-in reliability for the whole system. Richter commented on the latest safety the steering system: “First
features of
is having a simplified steering selector switch, this was very important for the user interface but led us to the strict separation between main and secondary steering and steering mode selector with only two positions (main and secondary). Te benefit for the user is that in case of any problems the user can switch to the other position and can be sure that
The Naval Architect March 2012
a complete separated technical path is being used. In many other systems with steering mode selector switches with more than two positions it is possible to unintentionally switch from a defective steering control position to another defective steering control position, and this happens especially in emergency situations and is sometimes also caused by a lack of knowledge of the operators. So with the new system it is pretty easy, just switch to the other position and the operator can be sure that he has made the correct decision.”
operated by a touch screen. Te screen has been designed in line with the colour palettes which are used for the display of the radar systems, chart-radar and electronic chart display and information systems (ECDIS). The functions are accessed via push buttons or the touch screen to ensure operation is kept as simple as possible. Te large display features an integrated
heading and rudder plotter, which provides
a graphical indication of
heading changes and all used rudder angles. Tis indication shows the steering
NautoSteer meets with latest safety standards.
Raytheon also says that the NautoSteer
is easy to install as the autopilot uses standard serial interfaces for the operation as heading (NMEA Heading, Speed) or track Control system in combination with ECDIS. The steering gear control system can adapt to a large variety of steering gears with on/off solenoids or proportional valves, torques and motors. Other systems like Dynamic Positioning Systems or Joystick Systems can be integrated by use of an External Steering Interface AS.
NautoPilot 5000 Te NautoPilot (NP) 5000 is the successor to the NP 2000 autopilot series. Te NP 5000 is based on the same Raytheon Anschütz steering algorithms, but
is
enhanced to include highly advanced functions for economic and precise navigation
such as an integrated
steering performance display and new course control operation says Raytheon Anschütz. Te autopilot’s most noted new feature
is its large graphic display screen, which offers six different day and night modes
performance of the autopilot due to the effects of changes to parameter settings such as rudder, counter rudder and yawing. Te operator benefits from simple adjustments of the autopilot’s settings to gain optimised steering performance, which results in minimal rudder action and thus reduced fuel consumption. Another contribution to economic
navigation and reduction in fuel consumption is achieved by the Eco-Mode of the autopilot, which provides the automatic adaptation to the current sea-state and weather. Periodical yawing movements which, can be caused by roll and pitch would normally result in rudder actions with high amplitudes. As frequent rudder actions would not compensate the heading deviation due to environmental conditions, the autopilot reduces its sensitivity to such movements. As a result, the autopilot continuously adapts to current environmental conditions without a manual change of autopilot parameters. Subsequently less rudder action is required, which leads to lower levels of speed reduction and less fuel consumption. NA
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